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Hard x-ray spectroscopy and dynamics of isolated atoms and molecules: a review
Reports on Progress in Physics ( IF 16.620 ) Pub Date : 2019-12-17 , DOI: 10.1088/1361-6633/ab5516
M N Piancastelli, T Marchenko, R Guillemin, L Journel, O Travnikova, I Ismail and M Simon

We present here a review of the most significant recent achievements in the field of HAXPES (hard x-ray photoelectron spectroscopy) on isolated atoms and molecules, and related spectroscopies. The possibility of conducting hard x-ray photoexcitation and photoionization experiments under state-of-the art conditions in terms of photon and electron kinetic energy resolution has become available only in the last few years. HAXPES has then produced structural and dynamical information at the level of detail already reached in the VUV and soft-x-ray ranges. The much improved experimental conditions have allowed extending to the hard x-ray range some methods well established in soft x-ray spectroscopies. Investigations of electron and nuclear dynamics in the femtosecond (fs, 10 −15 s) and even attosecond (as, 10 −18 s) regime have become feasible. Complex relaxation phenomena following deep-core ionization can now be enlightened in great detail. Other phenomena like...
更新日期:2019-12-18

 

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